Home / 762,342.69-1,051,856.49-456,302.79

Finding the Fourth Proportional to 762,342.69, 1,051,856.49 and 456,302.79

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Solution

The fourth proportional to 762,342.69, 1,051,856.49 and 456,302.79 is: 629,592.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,342.69 : 1,051,856.49 = 456,302.79 : x
  2. Step 2: Convert to fraction form
    762,342.69/1,051,856.49 = 456,302.79/x
  3. Step 3: Cross multiply
    762,342.69x = 1,051,856.49 × 456,302.79
  4. Step 4: Simplify right side
    762,342.69x = 479,965,051,066.61
  5. Step 5: Solve for x
    x = 479,965,051,066.61/762,342.69
  6. Step 6: Final answer
    x = 629,592.25

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.